﻿/*
 * Jsofteditor - The text editor for Internet - http://www.jsofteditor.net
 * Copyright (C) 2003-2009 Frederico Caldeira Knabben
 *
 * == BEGIN LICENSE ==
 *
 * Licensed under the terms of any of the following licenses at your
 * choice:
 *
 *  - GNU General Public License Version 2 or later (the "GPL")
 *    http://www.gnu.org/licenses/gpl.html
 *
 *  - GNU Lesser General Public License Version 2.1 or later (the "LGPL")
 *    http://www.gnu.org/licenses/lgpl.html
 *
 *  - Mozilla Public License Version 1.1 or later (the "MPL")
 *    http://www.mozilla.org/MPL/MPL-1.1.html
 *
 * == END LICENSE ==
 *
 * JsoftStyleCommand Class: represents the "Style" command.
 */

var JsoftStyleCommand = function()
{}

JsoftStyleCommand.prototype =
{
	Name : 'Style',

	Execute : function( styleName, styleComboItem )
	{
		JsoftUndo.SaveUndoStep() ;

		if ( styleComboItem.Selected )
			Jsoft.Styles.RemoveStyle( styleComboItem.Style ) ;
		else
			Jsoft.Styles.ApplyStyle( styleComboItem.Style ) ;

		JsoftUndo.SaveUndoStep() ;

		Jsoft.Focus() ;
		Jsoft.Events.FireEvent( 'OnSelectionChange' ) ;
	},

	GetState : function()
	{
		if ( Jsoft.EditMode != Jsoft_EDITMODE_WYSIWYG || !Jsoft.EditorDocument )
			return Jsoft_TRISTATE_DISABLED ;

		if ( JsoftSelection.GetType() == 'Control' )
		{
			var el = JsoftSelection.GetSelectedElement() ;
			if ( !el || !JsoftStyles.CheckHasObjectStyle( el.nodeName.toLowerCase() ) )
				return Jsoft_TRISTATE_DISABLED ;
		}

		return Jsoft_TRISTATE_OFF ;
	}
};
